A.If something has low temperature, then it is not cold.
If something is at low temperature, then it is cold.
B.If something does not have low temperature, then it is cold.
If something is at low temperature, then it is cold.
C.If something does not have low temperature, then it is not cold.
If something is at low temperature, then it is cold.
D.If something does not have low temperature, then it is not cold.
If something is at low temperature, then it is cold.